trigger main doc build once, to be deleted soon

Signed-off-by: Shengliang Xu <shengliangx@nvidia.com>

Author: shengliangxu

.github/workflows/pages.yml

@@ -29,7 +29,7 @@ jobs:
       - name: Build docs
         run: pip install tox && tox -e build-docs
       - name: Upload docs artifact
-        if: github.event_name == 'push' || github.event_name == 'schedule' || github.event_name == 'workflow_dispatch'
+        if: github.event_name == 'push' || github.event_name == 'schedule' || github.event_name == 'workflow_dispatch' || github.event_name == 'pull_request'
         uses: actions/upload-artifact@v4
         with:
           name: docs-html
@@ -54,7 +54,7 @@ jobs:
           source-dir: docs/build/html
 
   deploy-gh-pages:
-    if: github.event_name == 'push' || github.event_name == 'schedule' || github.event_name == 'workflow_dispatch'
+    if: github.event_name == 'push' || github.event_name == 'schedule' || github.event_name == 'workflow_dispatch' || github.event_name == 'pull_request'
     needs: build-docs
     runs-on: ubuntu-latest
     steps: